jax authors eb912ad0d9 Create jax wheel build target.
This change introduces a uniform way of building the artifacts and controlling the filename version suffixes (see the changes for `jaxlib`, `jax-cuda-plugin` and `jax-cuda-pjrt` in https://github.com/jax-ml/jax/pull/25126)

Previously `jax` wheel was built via `python3 -m build` command. The resulting wheel contained the python packages files in `jax` folder (e.g. the files in the subdirs that have `__init__.py` file).

You can still build the `jax` wheel with `python3 -m build` command.

Bazel `jax` wheel target: `//:jax_wheel`

Environment variables combinations for creating wheels with different versions:
  * self-built wheel (default build rule behavior): `--repo_env=ML_WHEEL_TYPE=snapshot`
  * release: `--repo_env=ML_WHEEL_TYPE=release`
  * release candidate: `--repo_env=ML_WHEEL_TYPE=release --repo_env=ML_WHEEL_VERSION_SUFFIX=-rc1`
  * nightly build: `--repo_env=ML_WHEEL_TYPE=custom --repo_env=ML_WHEEL_BUILD_DATE=<YYYYmmdd> --repo_env=ML_WHEEL_GIT_HASH=$(git rev-parse HEAD)`

PiperOrigin-RevId: 730916743
2025-02-25 09:30:08 -08:00
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